The purpose of this study is to determine whether darbepoetin alfa manufactured by the current "roller bottle" technology and darbepoetin alfa manufactured by a serum free process have a comparable safety profile.

Currently diagnosed with Chronic Kidney Disease, either receiving or not receiving dialysis

Anemic

Currently on erythropoietic therapy

Controlled hypertension

Clinically stable

Contacts and Locations

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study.
To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below.
For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT00093977